EP3059466B1 - Belag für scheibenbremsen für schienenfahrzeuge - Google Patents

Belag für scheibenbremsen für schienenfahrzeuge Download PDF

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Publication number
EP3059466B1
EP3059466B1 EP16156377.0A EP16156377A EP3059466B1 EP 3059466 B1 EP3059466 B1 EP 3059466B1 EP 16156377 A EP16156377 A EP 16156377A EP 3059466 B1 EP3059466 B1 EP 3059466B1
Authority
EP
European Patent Office
Prior art keywords
pad
base plate
abutment
disc brakes
edge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16156377.0A
Other languages
English (en)
French (fr)
Other versions
EP3059466A1 (de
Inventor
Vittorio De Soccio
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cofren SRL
Original Assignee
Cofren SRL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cofren SRL filed Critical Cofren SRL
Priority to PL16156377T priority Critical patent/PL3059466T3/pl
Publication of EP3059466A1 publication Critical patent/EP3059466A1/de
Application granted granted Critical
Publication of EP3059466B1 publication Critical patent/EP3059466B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H5/00—Applications or arrangements of brakes with substantially radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/12—Discs; Drums for disc brakes
    • F16D65/122—Discs; Drums for disc brakes adapted for mounting of friction pads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/0004—Joining sheets, plates or panels in abutting relationship
    • F16B5/0084—Joining sheets, plates or panels in abutting relationship characterised by particular locking means
    • F16B5/0088—Joining sheets, plates or panels in abutting relationship characterised by particular locking means with locking means moving substantially perpendicular to the main plane, e.g. pins, screws
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
    • F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
    • F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
    • F16D65/095—Pivots or supporting members therefor
    • F16D65/097—Resilient means interposed between pads and supporting members or other brake parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/12—Discs; Drums for disc brakes
    • F16D65/123—Discs; Drums for disc brakes comprising an annular disc secured to a hub member; Discs characterised by means for mounting
    • F16D65/124—Discs; Drums for disc brakes comprising an annular disc secured to a hub member; Discs characterised by means for mounting adapted for mounting on the wheel of a railway vehicle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/04—Attachment of linings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/04—Attachment of linings
    • F16D69/0408—Attachment of linings specially adapted for plane linings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/04—Attachment of linings
    • F16D2069/0425—Attachment methods or devices
    • F16D2069/0433—Connecting elements not integral with the braking member, e.g. bolts, rivets

Definitions

  • the present invention relates to a pad for disc brakes for railway vehicles, as for instance known from EP-A-2 320 106 .
  • each pad is formed by a main base plate, by a plurality of support plates fixed to the base plate and by a plurality of friction elements, fixed individually or in pairs on the respective support plates.
  • the pads in question must that also ensure a low noise level during the braking action.
  • a low noise level is an increasingly discriminant element in the choice of disc brakes.
  • Recent solutions involve the use of a plurality of elastic elements, each of them being arranged between the base plate and a respective support plate.
  • a plurality of elastic elements each of them being arranged between the base plate and a respective support plate.
  • the applicant has implemented a particular pad solution whose technical characteristics ensure a high braking efficiency together with a low noise level and a simple manufacture.
  • the object of the present invention is a pad for disc brakes for railway vehicles whose essential characteristics are set forth in claim 1, and whose preferred and/or auxiliary characteristics are set forth in claims 2-8.
  • Figures 1 and 2 indicate with 1 as a whole a pad of the present invention.
  • the pad 1 comprises a "dovetail" fixing plate 2 for fixing the pad 1 to a disc brake structure, a base plate 3 reversibly fixed to the fixing plate 2, and a plurality of friction elements 4 directly and reversibly fixed to the base plate 3.
  • each friction element 4 is composed of a planar lamina 5, an insert 6 made of friction material and irreversibly fastened to the planar lamina 5, a fixing pin 7 and two anti-rotation pegs 8.
  • planar lamina 5 has a central hole 9 engaged by the fixing pin 7 and two side holes 10, each of them being engaged by a respective anti-rotation peg 8.
  • the fixing pin 7 has, at its free end 7a, a circumferential groove 11 to be engaged by a locking spring 12 as described hereinafter.
  • five series 13 of three through holes are formed on the base plate 3, each of them being responsible for reversibly fixing a respective friction element 4 and having a central hole 14 and two side holes 15.
  • the central hole 14 has a larger diameter than the side holes 15 and is formed in the middle of a respective circular recess 16 formed, in turn, on a lower surface 3a of the base plate 3.
  • the circular recess 16 houses the locking spring 12.
  • FIGS 3a-3c show three different assembly modes of the pad 1 according to the present invention.
  • the fixing pin 7 engages the central hole 14, while each of the two anti-rotation pegs 8 engages a respective side hole 15.
  • the fixing pin 7 is arranged with its free end 7a inside the circular recess 16, where it is blocked by the locking spring 12 engaging the circumferential groove 11.
  • the Belleville washer (or washers) 17 pushes the planar lamina 5 of the friction element 4 away from the upper surface 3b of the base plate 3.
  • Each of the Belleville washers in the pad of the present invention provides a dual kind of movements of the friction elements 4: (a) a movement along a plane perpendicular to the base plate 3 and (b) a pivoting movement about a symmetry axis of the Belleville washer 17. These two combined movements of the friction elements 4 improve the mode with which the inserts 6 exert a pressure on the disc with regard to braking effectiveness and noise level.
  • the pad of the present invention does not require support plates supporting the friction elements and fixed to the base plate.
  • the elastic element is generally interposed between a respective support plate and the base plate, and is structured so as to ensure the elasticity only along a plane perpendicular to the base plate.
  • the technical characteristics of the pad of the present invention ensure, if compared with those of the prior art, a more efficient and less noisy braking action as well as a higher productivity due to a smaller number of components and, therefore, a simplification of the assembly operations.
  • the fixing plate 2 has a plurality of side recesses 18 formed along its two side edges 19. As shown in Figure 2 , the presence of the side recesses 18 allows a free access to the locking springs 12, even when the pad is fully assembled. In this way, the friction elements 4 of the assembled pad can be easily replaced.
  • the advantages of the pad for disc brakes object of the present invention are a structural simplicity (smaller number of pieces) combined with a lower noise level and a greater braking efficiency.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)
  • Springs (AREA)

Claims (8)

  1. Scheibenbremsbelag (1) für Schienenfahrzeuge, der eine Befestigungsplatte (2) zum Befestigen des Bremsbelags als Ganzes an einer Scheibenbremsenstruktur, eine Grundplatte (3) und mehrere Reibungselemente (4) aufweist, die direkt reversibel an der Grundplatte (3) befestigt sind;
    wobei jedes der Reibungselemente (4) eine ebene Schicht (5), einen Einsatz (6) aus einem Reibungsmaterial, der irreversibel an der ebenen Schicht (5) befestigt ist, einen Befestigungsstift (7), der in ein entsprechendes Befestigungsloch (14) eingreift, das in der Grundplatte (3) ausgebildet ist, und ein Paar Verdrehsicherungsstifte (8) aufweist, die in ein jeweiliges Paar von Löchern (15) eingreifen, die in der Grundplatte (3) ausgebildet und in Bezug auf den Befestigungsstift (7) an gegenüberliegenden Seiten angeordnet sind;
    wobei der Bremsbelag dadurch gekennzeichnet, ist, dass
    er für jedes Reibungselement (4) mindestens eine Tellerfeder (17) aufweist, die zwischen der ebenen Schicht (5) und der Grundplatte (3) angeordnet ist, und
    dass der Befestigungsstift (7) an seinem freien Ende (7a) eine Umfangsnut (11) aufweist, mit der eine Verriegelungsfeder (12) in Eingriff steht; wobei jedes Befestigungsloch (14) in der Mitte einer kreisförmigen Vertiefung (16) ausgebildet ist, in der die Umfangsnut (11) des Befestigungsstiftes (7) und die Verriegelungsfeder angeordnet sind.
  2. Scheibenbremsbelag nach Anspruch 1, dadurch gekennzeichnet, dass die Tellerfeder (17) um den Befestigungsstift (7) herum angeordnet ist.
  3. Scheibenbremsbelag nach Anspruch 2, dadurch gekennzeichnet, dass die Tellerfeder (17) derart angeordnet ist, dass ihr Rand mit einem größeren Durchmesser an der Grundplatte (3) anliegt und ihr Rand mit einem kleineren Durchmesser an der ebenen Schicht (5) anliegt.
  4. Scheibenbremsbelag nach Anspruch 2, dadurch gekennzeichnet, dass die Tellerfeder (17) derart angeordnet ist, dass ihr Rand mit einem größeren Durchmesser an der ebenen Schicht (5) anliegt und ihr Rand mit einem kleineren Durchmesser an der Grundplatte (3) anliegt.
  5. Scheibenbremsbelag nach Anspruch 1, dadurch gekennzeichnet, dass er für jedes Reibungselement (4) ein Paar der Tellerfedern (17) aufweist, die jeweils um einen entsprechenden Verdrehsicherungsstift (8) herum angeordnet sind.
  6. Scheibenbremsbelag nach Anspruch 5, dadurch gekennzeichnet, dass die Tellerfedern (17) derart angeordnet sind, dass ihr Rand mit einem größeren Durchmesser an der Grundplatte (3) anliegt und ihr Rand mit einem kleineren Durchmesser an der ebenen Schicht (5) anliegt.
  7. Scheibenbremsbelag nach Anspruch 5, dadurch gekennzeichnet, dass die Tellerfedern (17) derart angeordnet sind, dass ihr Rand mit einem größeren Durchmesser an der ebenen Schicht (5) anliegt und ihr Rand mit einem kleineren Durchmesser an der Grundplatte (3) anliegt.
  8. Scheibenbremsbelag nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass in jedem der Reibungselemente (4) der Befestigungsstift (7) in ein entsprechendes Loch (9) eingreift, das in der ebenen Schicht (5) ausgebildet ist, und die zwei Verdrehsicherungsstifte (8) in jeweilige Löcher (10) eingreifen, die in der ebenen Schicht (5) ausgebildet sind; wobei jeweilige Köpfe des Befestigungsstifts (7) und der Verdrehsicherungsstifte (8) in den Einsatz (6) aus einem Reibungsmaterial eingebettet sind.
EP16156377.0A 2015-02-18 2016-02-18 Belag für scheibenbremsen für schienenfahrzeuge Active EP3059466B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16156377T PL3059466T3 (pl) 2015-02-18 2016-02-18 Klocek do hamulców tarczowych do pojazdów kolejowych

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITRM20150074 2015-02-18

Publications (2)

Publication Number Publication Date
EP3059466A1 EP3059466A1 (de) 2016-08-24
EP3059466B1 true EP3059466B1 (de) 2020-01-29

Family

ID=53177820

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16156377.0A Active EP3059466B1 (de) 2015-02-18 2016-02-18 Belag für scheibenbremsen für schienenfahrzeuge

Country Status (10)

Country Link
EP (1) EP3059466B1 (de)
JP (1) JP6811536B2 (de)
KR (1) KR102535994B1 (de)
CN (1) CN105889372B (de)
ES (1) ES2781273T3 (de)
PL (1) PL3059466T3 (de)
PT (1) PT3059466T (de)
RU (1) RU2716524C2 (de)
SA (1) SA116370326B1 (de)
TW (1) TW201636246A (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015109034A1 (de) * 2015-06-09 2016-12-15 Federal-Mogul Bremsbelag Gmbh Flexible Lagerung von Reibbelagelementen in Bremsbelägen
KR102040635B1 (ko) 2017-12-29 2019-11-06 상신브레이크 주식회사 차량용 브레이크 디스크 마찰패드 어셈블리
KR102047318B1 (ko) 2017-12-29 2019-11-21 상신브레이크 주식회사 고무 댐퍼를 구비한 차량용 브레이크 디스크 마찰패드 어셈블리
KR102094691B1 (ko) 2017-12-29 2020-03-30 상신브레이크 주식회사 탄성 플레이트를 이용한 차량용 브레이크 디스크 마찰패드 어셈블리
KR101957712B1 (ko) 2017-12-29 2019-03-14 상신브레이크 주식회사 타원형 핀을 구비한 차량용 브레이크 디스크 마찰패드 어셈블리
IT201800010235A1 (it) * 2018-11-12 2020-05-12 Cofren Srl Pattino con tasselli a flessibilita' variabile per freni a disco per veicoli ferroviari
IT201900006094A1 (it) * 2019-04-18 2020-10-18 Cofren Srl Pattino per freni a disco per veicoli ferroviari
WO2020235723A1 (ko) * 2019-05-23 2020-11-26 상신브레이크주식회사 차량용 브레이크 디스크 마찰패드 어셈블리
IT202100001469A1 (it) * 2021-01-26 2022-07-26 Cofren Srl Ceppi per freni su ruota
RU208505U1 (ru) * 2021-09-17 2021-12-22 Общество с ограниченной ответственностью "Оверхол-Про" Накладка тормозная металлокерамическая

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Also Published As

Publication number Publication date
RU2016105052A3 (de) 2019-08-16
CN105889372B (zh) 2019-12-24
EP3059466A1 (de) 2016-08-24
TW201636246A (zh) 2016-10-16
SA116370326B1 (ar) 2020-06-08
ES2781273T3 (es) 2020-08-31
RU2716524C2 (ru) 2020-03-12
JP2016186363A (ja) 2016-10-27
KR102535994B1 (ko) 2023-05-24
PT3059466T (pt) 2020-04-23
RU2016105052A (ru) 2017-08-21
PL3059466T3 (pl) 2020-07-27
JP6811536B2 (ja) 2021-01-13
CN105889372A (zh) 2016-08-24
KR20160101869A (ko) 2016-08-26

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